/* ============================================================
   Ospaces — PDF Reader & Annotator with Quote to Note
   ============================================================ */

.pdf-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(14, 13, 18, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: pdf-fade-in 0.15s ease-out;
}

@keyframes pdf-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.pdf-viewer-card {
  background: var(--bg-modal, var(--bg));
  border: 1px solid var(--border);
  border-radius: var(--radius-pane, 16px);
  box-shadow: var(--shadow-popover);
  width: 960px;
  max-width: 96vw;
  height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.pdf-toolbar {
  height: 44px;
  background: var(--bg-callout, var(--bg-hover));
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  gap: 8px;
  flex-shrink: 0;
}

.pdf-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
}
.pdf-doc-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pdf-nav-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pdf-page-num {
  width: 44px;
  padding: 3px 6px;
  text-align: center;
  font-size: 12.5px;
  font-family: var(--font-mono, monospace);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
}
.pdf-page-total {
  font-size: 12.5px;
  color: var(--text-light);
  margin-right: 6px;
}

.pdf-zoom-group {
  display: flex;
  align-items: center;
  gap: 4px;
}
.pdf-zoom-label {
  font-size: 12px;
  font-family: var(--font-mono, monospace);
  color: var(--text-light);
  min-width: 42px;
  text-align: center;
}

.pdf-canvas-scroll {
  flex: 1;
  min-height: 0;
  overflow: auto;
  background: #2b2b36;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  gap: 16px;
  position: relative;
}

.pdf-page-wrap {
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  border-radius: 4px;
  background: #ffffff;
  overflow: hidden;
}

.pdf-page-canvas {
  display: block;
}

.pdf-text-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0.25;
  line-height: 1.0;
  user-select: text;
}
.pdf-text-layer > span {
  color: transparent;
  position: absolute;
  white-space: pre;
  cursor: text;
  transform-origin: 0% 0%;
}
.pdf-text-layer ::selection {
  background: rgba(99, 102, 241, 0.4);
}

/* Float "Quote to Note" button */
.pdf-quote-pop {
  position: fixed;
  z-index: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font, sans-serif);
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 7px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  border: none;
  cursor: pointer;
  transform: translate(-50%, -100%) translateY(-8px);
  animation: pdf-pop-in 0.12s ease-out;
}
.pdf-quote-pop:hover {
  filter: brightness(1.1);
}
@keyframes pdf-pop-in {
  from { opacity: 0; transform: translate(-50%, -100%) translateY(0); }
  to   { opacity: 1; transform: translate(-50%, -100%) translateY(-8px); }
}

@media (max-width: 640px) {
  .pdf-viewer-card {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    border-radius: 0;
  }
  .pdf-zoom-group {
    display: none;
  }
}